diff --git a/android/gradle.properties b/android/gradle.properties
index 3487476dc637023e34426ce50caf3343f91e3038..c2a871af8ab063d06f9d9304e63850ba93031951 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,5 +1,5 @@
 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=0.0.23
-app.versionCode=23
+app.versionName=0.0.24
+app.versionCode=24
diff --git a/lib/provider/data.dart b/lib/provider/data.dart
index fecfa5a30dfda331d0a9b7d4ff5302e07739b99c..5a24b8d1723ea3ac364ef74bb5ba2c323890f010 100644
--- a/lib/provider/data.dart
+++ b/lib/provider/data.dart
@@ -5,7 +5,7 @@ import '../entities/tile.dart';
 class Data extends ChangeNotifier {
 
   // application configuration
-  int _tilesCount = 3;
+  int _tilesCount = 4;
 
   // application data
   List _images = [];